Analysis
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max time kernel
142s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
11-05-2024 06:45
General
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Target
Free Nitro.exe
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Size
62KB
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MD5
d01e6cc12d314d7d1d3714fa9be0ca80
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SHA1
9cb53ff747461cf4f122d6356296341bbd2fe203
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SHA256
5010be4c22df0349619aede47aa8e234e16985c8dbd0ca86de12c778b402bf58
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SHA512
2fb687819b5cf9ad93b702b553b8d5760e8bb946abd436da72f44918f141ec9be1c6bb02252400da9d9846f70db61f993af783c7a996d6523be582a16d8a767e
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SSDEEP
768:OKsMqCXfVcWrPM9ZkiANIUkwYLDwUzc80gmq3oP/oDF:OKsejM9ZkiAP2r/0O8/op
Score
10/10
Malware Config
Signatures
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Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
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Renames multiple (68) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
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Drops desktop.ini file(s) 3 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 41 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Free Nitro.exe"C:\Users\Admin\AppData\Local\Temp\Free Nitro.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
88KB
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Filesize
6.9MB
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Filesize
4KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
6.9MB